pectinid larvae drift in the water column for weeks before settling.
海扇幼虫在定栖前会在水柱中漂流数周。
fossil pectinid shells are commonly found in marine sedimentary rocks.
海扇贝壳化石常见于海洋沉积岩中。
the taxonomy of the pectinid family is complex and constantly evolving.
海扇科的分类学复杂且不断演变。
commercially important pectinid species support major fisheries worldwide.
具有重要商业价值的海扇物种支撑着全球的主要渔业。
biologists study pectinid ecology to understand seabed health.
生物学家研究海扇生态以了解海床健康状况。
geologists use pectinid fossils as index fossils for dating strata.
地质学家利用海扇化石作为测定地层年代的标准化石。
the visual system of a pectinid is surprisingly complex.
海扇的视觉系统惊人地复杂。
some pectinid populations have declined due to ocean acidification.
由于海洋酸化，一些海扇种群已经减少。
researchers analyzed the growth rings on the pectinid shell.
研究人员分析了海扇贝壳上的生长纹。
pectinid aquaculture is a thriving industry in coastal regions.
海扇养殖是沿海地区一个蓬勃发展的产业。
the swimming mechanism of the pectinid involves rapid valve clapping.
海扇的游泳机制涉及快速的贝壳开合。
pectinid larvae drift in the water column for weeks before settling.
海扇幼虫在定栖前会在水柱中漂流数周。
fossil pectinid shells are commonly found in marine sedimentary rocks.
海扇贝壳化石常见于海洋沉积岩中。
the taxonomy of the pectinid family is complex and constantly evolving.
海扇科的分类学复杂且不断演变。
commercially important pectinid species support major fisheries worldwide.
具有重要商业价值的海扇物种支撑着全球的主要渔业。
biologists study pectinid ecology to understand seabed health.
生物学家研究海扇生态以了解海床健康状况。
geologists use pectinid fossils as index fossils for dating strata.
地质学家利用海扇化石作为测定地层年代的标准化石。
the visual system of a pectinid is surprisingly complex.
海扇的视觉系统惊人地复杂。
some pectinid populations have declined due to ocean acidification.
由于海洋酸化，一些海扇种群已经减少。
researchers analyzed the growth rings on the pectinid shell.
研究人员分析了海扇贝壳上的生长纹。
pectinid aquaculture is a thriving industry in coastal regions.
海扇养殖是沿海地区一个蓬勃发展的产业。
the swimming mechanism of the pectinid involves rapid valve clapping.
海扇的游泳机制涉及快速的贝壳开合。
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